The Nursing Instructor Asks a Student to Describe Graves Disease

The nursing instructor asks a student to describe Graves disease. Which statement by the student indicates an accurate understanding of this disorder?

A) "The antibodies in Graves disease bind to receptors on the thyroid cells and weaken them."
B) "It is an autoimmune disorder associated with sustained thyroid overactivity."
C) "It is an autoimmune disorder associated with severe thyroid underactivity."
D) "It is associated with a tumor on the thyroid, which leads to thyroid overactivity"